Johnson, N.A., C.H. Smith, J.M. Pfeiffer, C.R. Randklev, J.D. Williams & J.D. Austin. 2018. Integrative taxonomy resolves taxonomic uncertainty for freshwater mussels being considered for protection under the U.S. Endangered Species Act. Scientific Reports 8. 15892 (16 pp.). Available electronically.
+ Unio bollii Call, 1881
+ Obliquaria (Quadrula) bullata Rafinesque, 1820
+ Obliquaria (Quadrula) retusa Rafinesque, 1820
+ Unio verrucosa Valenciennes, 1827
+ Unio premorsus Rafinesque, 1831
+ Unio nodulosus Say, 1834
+ Unio prasinus Conrad, 1834
+ Unio schoolcraftensis Lea, 1834
+ Unio mortoni Conrad, 1835
+ Unio dorfeuillianus Lea, 1838
+ Unio turgidus Lea, 1838
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